Re: [PATCH bpf-next v2 0/2] bpf: fix the crash caused by task iterators over vma

[patchwork-bot+netdevbpf@kernel.org]

Hello:

This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Fri, 16 Dec 2022 14:18:53 -0800 you wrote:
> This issue is related to task iterators over vma. A system crash can
> occur when a task iterator travels through vma of tasks as the death
> of a task will clear the pointer to its mm, even though the
> task_struct is still held. As a result, an unexpected crash happens
> due to a null pointer. To address this problem, a reference to mm is
> kept on the iterator to make sure that the pointer is always
> valid. This patch set provides a solution for this crash by properly
> referencing mm on task iterators over vma.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v2,1/2] bpf: keep a reference to the mm, in case the task is dead.
    https://git.kernel.org/bpf/bpf/c/7ff94f276f8e
  - [bpf-next,v2,2/2] selftests/bpf: add a test for iter/task_vma for short-lived processes
    https://git.kernel.org/bpf/bpf/c/b7793c8db7d9

You are awesome, thank you!
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